Grain-separator.



PATENTBD MAR. 24, 1908.*

0 82, J. A. NEUFBLD-- GRAIN SEPARAIDR- I .19o APPLIMTION P LED JULY 22 73 SHEETS SHEET 2.

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M E m N H W [NV NTOR Atlomey Tur Nakns PETER: co..wAsn1NaruN, D, c.

JOHN A. NEUFELD, OF MOUNTAIN LAKE, MINNESOTA.

GRAIN-SEPARATOR.

Specification of Letters Patent.

Patented March 24, 1908.

Application filed July 22, 1907. Serial No. 384,887.

To all whom it may concern:

I Be it known that I, JonN A. NEUFELD, a citizen of the United States,residing at Mountain Lake, in the county of Cottonwood, State ofMinnesota, have invented certain new and useful Improvements in Grain-Separators and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

The present invention has reference to improvements in grain separators,and it aims to provide an exceedingly simple and effective machine ofthat class designed primarily for separating wild oats and cockles fromwheat kernels.

More especially, however, the invention resides in the provision of aseparating machine of the celled or pocketed type in which the revolvinginclined cylinder carries within its interior a partitioned trough inwhich a pair of screw conveyers are arranged, the conveyers differing inpoint of length so as to permit fthe longer to discharge the cockles,which lodge in the smaller cells of the feed end of the cylinder andfall into the adjacent compartment of the trough, through the openingsat the front or discharge end of the cylinder, while the wheat kernelswhich are dislodged from the larger cells and fall into the forwardcompartment of the trough, are discharged by the shorter conveyerthrough-a chute at the forward end of the cylinder, the wild oats beinglikewise discharged through the above-mentioned openings with thecockles.

With the above and other ends in view the invention consists in theconstruction, combination, and arrangement of parts, all as hereinafterfully described, specifically claimed, and illustrated in theaccompanying drawings, in which like parts are designated bycorresponding reference numerals, in the several views. I

Of the said drawings, Figure 1 is a side elevation of the improvedseparator, Fig. 2 is a longitudinal section therethrough, Fig. 3 is afront elevation, Fig. 4 is a transverse vertical section through thehopper, Fig. 5 is a similar section through the cylinder, Fig. 6 is afragmental plan view of the cylinder, with a portion of the casingbroken away to illustrate the position of the conveyers, Fig. 7 is avertical section on the line 7 -7 of Fig. 6.

Referring more particularly to the drawings the numeral 1 indicates theskeleton supporting frame of the machine, upon the rear end of which ismounted a feed hopper 2, provided with a regulating slide 3 whose loweredge is slightly cut away to form a channel through which the grainpasses into a curved feed plate 4, formed by an extension of one of thesides of the hopper. Disposed directly above this plate is a shaft 5,arranged longitudinally of the. machine and projecting at opposite endsthrough the front and rear walls of the hopper, as shown, one end ofsaid shaft carrying a flanged pulley 6 and the other end a handle 7.Said shaft is further provided with a pair of oppositely extendingblades 8 which are arranged longitudinally thereof directly below theabovementioned channel and are adapted to feed the grain feedingtherethrough to a second hopper 9 disposed beneath the main hopper 2 andprovided with a spout 10 through which the grain is discharged into aninclined separating cylinder 11. One or other of the hoppers is providedwith a fan attachment for removing dust from the grain to a certainextent, prior to the passage of the grain into the cylinder, the fanbeing disposed within a casing fitted in one of the side walls of thehopper and driven from any preferred source of power, the opposite sidewall having a screen set thereinto, through which the dust escapes.

The cylinder 11 which is inclined forwardly and downwardly of themachine, is secured at opposite ends to the rims of a pair of wheels 21and 4l rotatably mounted upon a shaft l2 supported at one end by abearing block 13 carried by a bracket 14 secured to the frame adjacentthe lower hopper 9, while its opposite end fits in a vertical slotformed in a second bearing block 15 secured to a cross-beam 1G attachedto the forward end of the frame, the projecting end of the shaft beingsquared at such point and carrying a lever 17 provided at its lower endwith a pin 18 fitting interchangeably in a series of o enings formed insaid block, by means of w iich the position of the troughs and conveyerslocated within the cylinder may be adjusted, as hereinafter described.The cylinder 11 is preferably constructed of sheet metal and its upperor rear half is provided on its inner face with pits or cells 19, whilethe front or lower half of the cylinder is provided with similardepressions 20 whose diameter is somewhat greater than those'first-mentioned. The cells may be formed by means of ahemisphericalpunch or similar implement. The lower wheel 21 to whose peripherythe'adjacent end of the cylinder is secured, has formed upon its hub, orrigidly secured thereto, a gear 22 which meshes with a simi lar gear 23secured to the adjacent end of a shaft 211 disposed longitudinally ofthe cylinder and provided with a screw conveyer 25, the rotation of thecylinder itself being effected by a belt 26 which passes around 'therear end of the cylinder and around the pulley 6 above-referred to.

Disposed interiorly of the cylinder and extending approximately from endto end thereof, is a metal trough 27 whose opposite end walls arerigidly secured to the shaft 12. This trough is, 1n turn, provided witha second trough 28 whose rear wall 29 is in the nature of a partition ofthe first-named trough and is disposed in direct alinement with thedividing line between the forward and rear sets of cells, as shown inFig. 2. T he forward wall 30 ofthe trough 28 which likewise forms thatof the trough 27 is provided with an opening through which the shaft 24extends the rear end of said shaft passing through a similar opening inthe wall 29. This last-mentioned shaft is likewise provided upon itsrear end with a gear 31 which is arranged exteriorly of the trough 28and meshes with a gear 32 carried by a shaft 33 whose opposite endsextend through openings formec 1n the wall 30 and in the rear wall ofthe trough 27. The shaft 33 carries a screw conveyer 34oppositely-arranged with respect to the screw conveyer 25. Both thetroughs are approximately semi-cylindrical in shape and are so arrangedthat the bottom wall of the trough 27 lies in spaced relation to theinner face of the cylinder 11 while that of the short trough 28 islikewise spaced from the inner face of the first-mentioned trough. Thecylinder 11 is further provided towards its front or lower wall with aninwardly directed annular flange 35 slightly in the rear of which isformed an annular series of circular openings 36, directly below these oenings is disposed a discharge chute 37 carried by the frame 1. Thefront wall 30 of the upper trough 28 is likewise provided with adischarge chute'38 which extends across the edge of the flange 35 anddelivers the grain discharged thereunto by the conveyer 25 onto a thirdchute 39 which is likewise carried by the frame of the machine.

In the operation of the machine the grain is fed from the hopper 2 ontothe platform or plate 4, from which it is discharged by the blades 8into the second hopper 9 from which it passes into the separatingcylinder which is slowly rotated by the belt 26. During the rotation ofthe cylinder the cockles, which are fed thereinto with the wheat willlodge in the small cells 19 and will be carried around with the cylinderbeing discharged from the cells at a certain point-in the rotation ofthe Acylinder into the rear portion or compartment of the trough 27whence theyl are carried by the action of the screw conveyer 34 totheforward end of said trough and are discharged through the opening 40which is formed in the front wall of saidtrough; the cockles dischargedthrough this opening fall through the openings 36 onto the chute 37,whence they are discharged into a receptacle, not shown. The wheatkernels, which are too large to become lodged in the cells 19, aregradually worked down towards the rear end of the cylinder until thecells 20 are reached, in which cells they become lodged and are carriedaround by the rotation of the cylinder and are discharged into thetrough 28, passing through an opening in the front wall thereof onto thechute 38 and from thence to the chute 39. The oats and other foreignseeds are too large to become lodged in either set of cells, and, inconsequence, travel directly along the inner face of the cylinder untilthey reach the openings 36 through which they fall onto the chute 37,together with the cockles. The provision of the annular flange 35prevents the oats which may pass between the openings 36 from reachingthe chute 39 and being discharged with the wheat kernels.

The shaft 12 which carries the troughs 27 and 28 is capable of anadjustment by means of the lever 17 secured to the forward end thereofso as to dispose said troughs and their conveyers in proper positionwithin the cylinder.

Vhile a duplex arrangement of trough and conveyer has been described andillustrated, it is to be understood that where the machine is designedmerely to separate the wheat from the cockles one trough and oneconveyer only will be made usefof, the operation of the machine in thelast mentioned instance being similar to that above-described.

What is claimed, is,

1. The combination, in a grain separator, of a supporting frame; aninclined shaft journaled at opposite ends in said frame; an open-endedcylinder revolubly mounted upon said shaft and provided adjacent itsrear end with a series of discharge openings, the inner surface of thecylinder having cells formed therein, the cells in one section of thecylinder having a different diameter from those in the other section; atrough disposed within the cylinder and carried by said shaft, thebottom wall of said trough being separated Vfrom the inner surface ofthe cylinder; a second trough secured to said cylinder towards the frontend thereof, and superposed upon the first-mentioned trough, saidtroughs having a common front wall provided with a pair of dischargeopenings, the bottom wall of the second trough being arranged in s acedrelation to that of the first-mentionec trough; a screw conveyerdisposed within each trough and adapted to discharge through thecorresponding opening the material deposited therein from thecorresponding set of cells; means for revolving the cylinder and forsimultaneously operating the conveyers; a hopper for feeding grain intothe cylinder; a chute disposed beneath the discharge openings in thecylinder; and a chute located adjacent the lower end of the cylinder.

2. The combination, in a grain separator, of a supporting frame; aninclined shaft journaled at opposite ends in said frame a cylinderrevolubly mounted upon said shaft and having an annular series ofdischarge openings formed therein adjacent its'lower end, the innersurface of the cylinder being provided with cells, those of one sectionof the cylinder having a different diameter from those of the othersection; a gear revolubly mounted upon the lower end of said shaft andrigidly connected with the cylinder; a trough secured to said shaft anddisposed within the cylinder said trough having its bottom wall arrangedin spaced relation to the cylinder; a second trough secured to saidcylinder directly above the first-mentioned trough, at the forward endthereof, said troughs having a common front wall provided with a pair ofdischarge openings, one

lof said discharge openings communicating with said series of openings;a chute disposed adjacent the other of said openings; a screw conveyerdisposed within each trough for ejecting through the correspondingdischarge opening the material deposited therein from the correspondingset of cells; a pair of gears secured to the opposite ends of one ofsaid conveyer shafts, one of said gears meshing with the first-mentionedgear; a gear secured to the other shaft in mesh with the other of saidgears; and means for feeding grain into the cylinder.

3. The combination, in a grain separator, of a supporting frame; ahopper mounted on the frame, at the rear` end thereof; a rotatable shaftjournaled at op osite ends in the walls of the hopper; a pul eymo'untedupon one end of said shaft; a hopper disposed beneath the iirstmentioned hopper; means carried by said shaft for discharging grain fromthe first hopper into the second hopper;

openings; a discharge spout carried by the 1- second hopper andextending into the up er end of the cylinder; a belt connection etweenthe pulley and the cylinder for effecting the revolution of the latterwhen the firstmentioned shaft is rotated; a trough disosed within thecylinder and secured to said inclined shaft, the bottom wall of saidtrough being arranged in spaced relation to the inner surface of thecylinder; a second trough secured to said inclined shaft and locateddirectly over the first-mentioned trough at the front end thereof, saidtroughs having a common front wall provided with a pair of dischargeopenings; means for depositing material into each trough during therevolutionof the cylinder; rotatable means disposed within each troughfor discharging the contents thereof through the corresponding dischargeopening and means for operating said discharging means.

4. The combination, in a grain separator, of a supporting frame; a hoper mounted thereon at one end; an inclined shaft journaled at oppositeends in the frame; a Wheel revolubly mounted upon each end of saidshaft; a cylinder secured to the periphery of said wheels; means fordischarging the contents of said hopper into thecylinder; means forrevolving said cylinder; a trough disposed within the cylinder andsecured to said shaft, the bottom wall of the trough being arranged inspaced relation to the inner surface of the cylinder; means fordepositing material in said trough during the revolution of thecylinder; a gear carried by the hub of one of said wheels; a screwconveyer disposed within the trough; and a gear carried by the conveyershaft in mesh with said firstmentioned gear.

5. The combination, in a grain separator, of a supporting frame; ahopper mounted on the frame, at the rear end thereof; a rotatable shaft`journaled at op osite ends in the walls of said hop er; a pulley mountedupon one end of said s aft; a ho per disposed beneath thefirst-mentioned) hopper; means carried by the shaftY for discharging,grain from the iirst hopper into thesecond hopper; an'inclined shaftjournaled at o posite ends in the frame; a wheel revolub y mounted uponeach end of the inclined shaft; a cylinder secured to the periphery ofsaid wheels; a discharge spout carried by the second hopper andextending into the upper end of the cylinder; a belt connection betweenthe ulley and the cylinder for effecting the revo ution of the latterwhen the first-mentioned shaft is rotated; a trough disposed within thecylnder and secured to the inclined shaft, the l veyer shaft in meshwith said first-mentioned bottom wall of said trough being arranged ingear. 10 spaced relation to the inner surface of the cyl- In testimonywhereof, I aHix my signature, inder; means for depositing material intoin presence of two witnesses.

said trough during the revolution of the cyl- JOHN A. NEUFELD. mder; agear carried by the hub of one of Witnesses:

said wheels; a screw conveyer disposed with- D. G. HIELENT,

in the trough; and a gear carried by the con- J. H. DIGKMAN.

